Rotary chair



FIG. 1 is a front elevational view of a rotary chair showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines in the drawings illustrate portions of the rotary chair which form no parts of the claimed design. 

CLAIM The ornamental design for a rotary chair, as shown and described. 